package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;


import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.lang.reflect.Array;
import java.math.BigDecimal;

import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @PackageName: com.itheima.controller
 * @ClassName: ReportController
 * @Author: LiuJunMeng
 * @Date: 2020/2/10 16:32
 * @Description: //TODO
 */
@RestController
@RequestMapping("/report")
public class ReportController {
    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;
    @Reference
    private ReportService reportService;

    /**
     * 会员数量统计
     *
     * @return
     */
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(@RequestBody String[] dateSource) {
        try {
            String startDate1 = dateSource[0];
            String endDate1 = dateSource[1];
            List<String> monthBetween = DateUtils.getMonthBetween(startDate1, endDate1, "yyyy-MM");
            if (monthBetween.size()>1) {
                Map<String, Object> map = new HashMap<>();
                map.put("months", monthBetween);
                List<Integer> memberCount = memberService.findMemberCountByMonth(monthBetween);
                map.put("memberCount", memberCount);
                return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
            }else if(monthBetween.size() == 1){
                Map<String,Object> map1 = getMemberReportBoundDate(dateSource);
                return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map1);
            }
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }
    /**
     *查询本月内的会员数据报告
     *@returns
     */
    private Map getMemberReportBoundDate(@RequestBody String[] dateSource){
        try {
            String startDate1 = dateSource[0];
            String endDate1 = dateSource[1];
            List<String> dateBetween = DateUtils.getMonthBetween(startDate1, endDate1, "yyyy-MM-dd");
            Map<String, Object> map = new HashMap<>();
            map.put("months", dateBetween);
            List<Integer> memberCount = memberService.findMemberCountBydate(dateBetween);
            map.put("memberCount", memberCount);
            return map;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }

    /**
     * 预约套餐统计
     *
     * @return
     */
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {
        List<Map<String, Object>> list = setmealService.findSetmealCount();
        Map<String, Object> map = new HashMap<>();
        map.put("setmealCount", list);
        List<String> setmealNames = new ArrayList<>();
        for (Map<String, Object> m : list) {
            String name = (String) m.get("name");
            setmealNames.add(name);
        }
        map.put("setmealNames", setmealNames);
        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);
    }

    /**
     * 获取运营统计数据
     *
     * @return
     */
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出运营数据到Excel并提供客户端下载
     *
     * @param request
     * @param response
     * @return
     */
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取Excel模板文件绝对磁盘路径
            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";

            //基于POI在内存中创建一个Excel文件
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));

            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map map : hotSetmeal) {//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //创建输出流，用于从服务器写数据到客户端浏览器
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            excel.write(out);

            out.flush();
            out.close();
            excel.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出运营数据到PDF文件并提供客户端下载
     *
     * @param request
     * @param response
     * @return
     */
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取pdf模板文件绝对磁盘路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";

            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);

            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath, result,
                            new JRBeanCollectionDataSource(hotSetmeal));

            //创建输出流，用于从服务器写数据到客户端浏览器
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint, out);

            out.flush();
            out.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //马志强代码开始
    /**
     * 获取会员数据,饼子图
     * @return
     */
    @RequestMapping("/getAllBySex")
    public Result getAllBySex(){
        try {
            List<String> names = new ArrayList<>();
            List<Map> list = memberService.getAllBySex();
            if (list != null && list.size() > 0){
                for (Map map : list) {
                    String sex = (String) map.get("name");
                    names.add(sex);
                }
            }
            Map<String,Object> map = new HashMap<>();

            map.put("names",names);
            map.put("counts",list);
            return new Result(true, "根据性别获取饼子图数据成功",map);
        } catch (Exception e){
            e.printStackTrace();
            return new Result(false, "根据性别获取饼子图数据失败");
        }
    }

    /**
     * 获取会员数据,饼子图
     * @return
     */
    @RequestMapping("/getAllByAge")
    public Result getAllByAge(){
        try {
            List<String> AgeNames = new ArrayList<>();
            List<Map> list = memberService.getAllByAge();

            if (list != null && list.size() > 0){
                for (Map map : list) {
                    String names = (String) map.get("name");
                    AgeNames.add(names);
                }
            }
            Map<String,Object> map = new HashMap<>();

            map.put("AgeNames",AgeNames);
            map.put("AgeCounts",list);
            return new Result(true, "根据年龄获取饼子图数据成功",map);
        } catch (Exception e){
            e.printStackTrace();
            return new Result(false, "根据年龄获取饼子图数据失败");
        }
    }
    //马志强代码结束


}
